Efficient Exploration of Gradient Space for Online Learning to Rank.
Huazheng WangRamsey LangleySonwoo KimEric McCord-SnookHongning WangPublished in: SIGIR (2018)
Keyphrases
- learning to rank
- balancing exploration and exploitation
- ranking functions
- information retrieval
- loss function
- evaluation measures
- direct optimization
- ranking svm
- evaluation metrics
- document retrieval
- collaborative filtering
- directly optimize
- test collection
- machine learning
- query dependent
- retrieval systems
- supervised learning
- bayesian networks
- user behavior
- web search engines
- ranking models
- multi class
- digital libraries
- learning to rank algorithms
- data sets